... back-mixing返混 back-off assembly松开装置 back-off joint倒扣短节 ...
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washover back-off assembly 套洗倒扣组合
back-off f assembly 松开装置
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Out in the shaft loaded oil ring groove or by centrifugal force along the axis of the oil drain off the surface, the oil flows back to the assembly after the pool, and thus play a role in sealing.
在轴上开出沟槽或装上油环，借离心力将沿轴表面外流的油甩掉，集结后流回油池，因而起到密封的作用。
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